Wednesday, March 8, 2017

Chasing Smallapack inversion BUG

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Smallapack is the Smalltalk interface to LAPACK, the famous Linear Algebra Package (see github ). Despite the decent level of stability ach...
2 comments:
Monday, August 24, 2015

Smallapack moved to github

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After ArbitraryPrecisionFloat, I also moved the Smallapack project from https://code.google.com/p/smallapack to https://github.com/nicolas-...
Tuesday, August 11, 2015

Moving ArbitraryPrecisionFloat from google-code to github

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I've tested the export to github button for https://code.google.com/p/arbitrary-precision-float then completed the wiki export with ht...
Sunday, August 9, 2015

Compiling Cog.Spur on MacOSX Yosemite

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The MacOSX target of Squeak VM currently uses some old Mac Carbon API. This might be a problem with a recent version of Xcode, none of whi...
Sunday, April 5, 2015

Removing UB in bytecodePrimMultiply

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In last post, I said that LLVM did not seem to be a problem w.r.t. testing overflow in post-condition in bytecodePrimMultiply. But I was...
1 comment:
Wednesday, April 1, 2015

The more or less defined behavior we are relying upon in Squeak/Pharo VM

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C is a tough language with many pitfalls, backed by a great philosophy:       You don't pay for what you don't buy That means th...
1 comment:
Friday, March 27, 2015

Is bitShift: equivalent to division in Smalltalk? And in Slang?

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Let's try it in Squeak/Pharo: (1 to: 8) allSatisfy: [:shift |     (-255 to: 255) allSatisfy: [:e | (e//(1<<shift) ) = (e >...